- 根目录:
- drivers
- net
- wireless
- rtlwifi
- rtl8192cu
- trx.c
/******************************************************************************
*
* Copyright(c) 2009-2012 Realtek Corporation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of version 2 of the GNU General Public License as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along with
* this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
*
* The full GNU General Public License is included in this distribution in the
* file called LICENSE.
*
* Contact Information:
* wlanfae <wlanfae@realtek.com>
* Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park,
* Hsinchu 300, Taiwan.
*
* Larry Finger <Larry.Finger@lwfinger.net>
*
*****************************************************************************/
#include "../wifi.h"
#include "../usb.h"
#include "../ps.h"
#include "../base.h"
#include "reg.h"
#include "def.h"
#include "phy.h"
#include "rf.h"
#include "dm.h"
#include "mac.h"
#include "trx.h"
static int _ConfigVerTOutEP(struct ieee80211_hw *hw)
{
u8 ep_cfg, txqsele;
u8 ep_nums = 0;
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_usb_priv *usb_priv = rtl_usbpriv(hw);
struct rtl_usb *rtlusb = rtl_usbdev(usb_priv);
rtlusb->out_queue_sel = 0;
ep_cfg = rtl_read_byte(rtlpriv, REG_TEST_SIE_OPTIONAL);
ep_cfg = (ep_cfg & USB_TEST_EP_MASK) >> USB_TEST_EP_SHIFT;
switch (ep_cfg) {
case 0: /* 2 bulk OUT, 1 bulk IN */
case 3:
rtlusb->out_queue_sel = TX_SELE_HQ | TX_SELE_LQ;
ep_nums = 2;
break;
case 1: /* 1 bulk IN/OUT => map all endpoint to Low queue */
case 2: /* 1 bulk IN, 1 bulk OUT => map all endpoint to High queue */
txqsele = rtl_read_byte(rtlpriv, REG_TEST_USB_TXQS);
if (txqsele & 0x0F) /* /map all endpoint to High queue */
rtlusb->out_queue_sel = TX_SELE_HQ;
else if (txqsele&0xF0) /* map all endpoint to Low queue */
rtlusb->out_queue_sel = TX_SELE_LQ;
ep_nums = 1;
break;
default:
break;
}
return (rtlusb->out_ep_nums == ep_nums) ? 0 : -EINVAL;
}
static int _ConfigVerNOutEP(struct ieee80211_hw *hw)
{
u8 ep_cfg;
u8 ep_nums = 0;
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_usb_priv *usb_priv = rtl_usbpriv(hw);
struct rtl_usb *rtlusb = rtl_usbdev(usb_priv);
rtlusb->out_queue_sel = 0;
/* Normal and High queue */
ep_cfg = rtl_read_byte(rtlpriv, (REG_NORMAL_SIE_EP + 1));
if (ep_cfg & USB_NORMAL_SIE_EP_MASK) {
rtlusb->out_queue_sel |= TX_SELE_HQ;
ep_nums++;
}
if ((ep_cfg >> USB_NORMAL_SIE_EP_SHIFT) & USB_NORMAL_SIE_EP_MASK) {
rtlusb->out_queue_sel |= TX_SELE_NQ;
ep_nums++;
}
/* Low queue */
ep_cfg = rtl_read_byte(rtlpriv, (REG_NORMAL_SIE_EP + 2));
if (ep_cfg & USB_NORMAL_SIE_EP_MASK) {
rtlusb->out_queue_sel |= TX_SELE_LQ;
ep_nums++;
}
return (rtlusb->out_ep_nums == ep_nums) ? 0 : -EINVAL;
}
static void _TwoOutEpMapping(struct ieee80211_hw *hw, bool bIsChipB,
bool bwificfg, struct rtl_ep_map *ep_map)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
if (bwificfg) { /* for WMM */
RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG,
"USB Chip-B & WMM Setting.....\n");
ep_map->ep_mapping[RTL_TXQ_BE] = 2;
ep_map->ep_mapping[RTL_TXQ_BK] = 3;
ep_map->ep_mapping[RTL_TXQ_VI] = 3;
ep_map->ep_mapping[RTL_TXQ_VO] = 2;
ep_map->ep_mapping[RTL_TXQ_MGT] = 2;
ep_map->ep_mapping[RTL_TXQ_BCN] = 2;
ep_map->ep_mapping[RTL_TXQ_HI] = 2;
} else { /* typical setting */
RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG,
"USB typical Setting.....\n");
ep_map->ep_mapping[RTL_TXQ_BE] = 3;
ep_map->ep_mapping[RTL_TXQ_BK] = 3;
ep_map->ep_mapping[RTL_TXQ_VI] = 2;
ep_map->ep_mapping[RTL_TXQ_VO] = 2;
ep_map->ep_mapping[RTL_TXQ_MGT] = 2;
ep_map->ep_mapping[RTL_TXQ_BCN] = 2;
ep_map->ep_mapping[RTL_TXQ_HI] = 2;
}
}
static void _ThreeOutEpMapping(struct ieee80211_hw *hw, bool bwificfg,
struct rtl_ep_map *ep_map)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
if (bwificfg) { /* for WMM */
RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG,
"USB 3EP Setting for WMM.....\n");
ep_map->ep_mapping[RTL_TXQ_BE] = 5;
ep_map->ep_mapping[RTL_TXQ_BK] = 3;
ep_map->ep_mapping[RTL_TXQ_VI] = 3;
ep_map->ep_mapping[RTL_TXQ_VO] = 2;
ep_map->ep_mapping[RTL_TXQ_MGT] = 2;
ep_map->ep_mapping[RTL_TXQ_BCN] = 2;
ep_map->ep_mapping[RTL_TXQ_HI] = 2;
} else { /* typical setting */
RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG,
"USB 3EP Setting for typical.....\n");
ep_map->ep_mapping[RTL_TXQ_BE] = 5;
ep_map->ep_mapping[RTL_TXQ_BK] = 5;
ep_map->ep_mapping[RTL_TXQ_VI] = 3;
ep_map->ep_mapping[RTL_TXQ_VO] = 2;
ep_map->ep_mapping[RTL_TXQ_MGT] = 2;
ep_map->ep_mapping[RTL_TXQ_BCN] = 2;
ep_map->ep_mapping[RTL_TXQ_HI] = 2;
}
}
static void _OneOutEpMapping(struct ieee80211_hw *hw, struct rtl_ep_map *ep_map)
{
ep_map->ep_mapping[RTL_TXQ_BE] = 2;
ep_map->ep_mapping[RTL_TXQ_BK] = 2;
ep_map->ep_mapping[RTL_TXQ_VI] = 2;
ep_map->ep_mapping[RTL_TXQ_VO] = 2;
ep_map->ep_mapping[RTL_TXQ_MGT] = 2;
ep_map->ep_mapping[RTL_TXQ_BCN] = 2;
ep_map->ep_mapping[RTL_TXQ_HI] = 2;
}
static int _out_ep_mapping(struct ieee80211_hw *hw)
{
int err = 0;
bool bIsChipN, bwificfg = false;
struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
struct rtl_usb_priv *usb_priv = rtl_usbpriv(hw);
struct rtl_usb *rtlusb = rtl_usbdev(usb_priv);
struct rtl_ep_map *ep_map = &(rtlusb->ep_map);
bIsChipN = IS_NORMAL_CHIP(rtlhal->version);
switch (rtlusb->out_ep_nums) {
case 2:
_TwoOutEpMapping(hw, bIsChipN, bwificfg, ep_map);
break;
case 3:
/* Test chip doesn't support three out EPs. */
if (!bIsChipN) {
err = -EINVAL;
goto err_out;
}
_ThreeOutEpMapping(hw, bIsChipN, ep_map);
break;
case 1:
_OneOutEpMapping(hw, ep_map);
break;
default:
err = -EINVAL;
break;
}
err_out:
return err;
}
/* endpoint mapping */
int rtl8192cu_endpoint_mapping(struct ieee80211_hw *hw)
{
struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
int error = 0;
if (likely(IS_NORMAL_CHIP(rtlhal->version)))
error = _ConfigVerNOutEP(hw);
else
error = _ConfigVerTOutEP(hw);
if (error)
goto err_out;
error = _out_ep_mapping(hw);
if (error)
goto err_out;
err_out:
return error;
}
u16 rtl8192cu_mq_to_hwq(__le16 fc, u16 mac80211_queue_index)
{
u16 hw_queue_index;
if (unlikely(ieee80211_is_beacon(fc))) {
hw_queue_index = RTL_TXQ_BCN;
goto out;
}
if (ieee80211_is_mgmt(fc)) {
hw_queue_index = RTL_TXQ_MGT;
goto out;
}
switch (mac80211_queue_index) {
case 0:
hw_queue_index = RTL_TXQ_VO;
break;
case 1:
hw_queue_index = RTL_TXQ_VI;
break;
case 2:
hw_queue_index = RTL_TXQ_BE;
break;
case 3:
hw_queue_index = RTL_TXQ_BK;
break;
default:
hw_queue_index = RTL_TXQ_BE;
RT_ASSERT(false, "QSLT_BE queue, skb_queue:%d\n",
mac80211_queue_index);
break;
}
out:
return hw_queue_index;
}
static enum rtl_desc_qsel _rtl8192cu_mq_to_descq(struct ieee80211_hw *hw,
__le16 fc, u16 mac80211_queue_index)
{
enum rtl_desc_qsel qsel;
struct rtl_priv *rtlpriv = rtl_priv(hw);
if (unlikely(ieee80211_is_beacon(fc))) {
qsel = QSLT_BEACON;
goto out;
}
if (ieee80211_is_mgmt(fc)) {
qsel = QSLT_MGNT;
goto out;
}
switch (mac80211_queue_index) {
case 0: /* VO */
qsel = QSLT_VO;
RT_TRACE(rtlpriv, COMP_USB, DBG_DMESG,
"VO queue, set qsel = 0x%x\n", QSLT_VO);
break;
case 1: /* VI */
qsel = QSLT_VI;
RT_TRACE(rtlpriv, COMP_USB, DBG_DMESG,
"VI queue, set qsel = 0x%x\n", QSLT_VI);
break;
case 3: /* BK */
qsel = QSLT_BK;
RT_TRACE(rtlpriv, COMP_USB, DBG_DMESG,
"BK queue, set qsel = 0x%x\n", QSLT_BK);
break;
case 2: /* BE */
default:
qsel = QSLT_BE;
RT_TRACE(rtlpriv, COMP_USB, DBG_DMESG,
"BE queue, set qsel = 0x%x\n", QSLT_BE);
break;
}
out:
return qsel;
}
/* =============================================================== */
/*----------------------------------------------------------------------
*
* Rx handler
*
*---------------------------------------------------------------------- */
bool rtl92cu_rx_query_desc(struct ieee80211_hw *hw,
struct rtl_stats *stats,
struct ieee80211_rx_status *rx_status,
u8 *pdesc, struct sk_buff *skb)
{
struct rx_fwinfo_92c *p_drvinfo;
struct rx_desc_92c *p_desc = (struct rx_desc_92c *)pdesc;
u32 phystatus = GET_RX_DESC_PHY_STATUS(pdesc);
stats->length = (u16) GET_RX_DESC_PKT_LEN(pdesc);
stats->rx_drvinfo_size = (u8)GET_RX_DESC_DRVINFO_SIZE(pdesc) *
RX_DRV_INFO_SIZE_UNIT;
stats->rx_bufshift = (u8) (GET_RX_DESC_SHIFT(pdesc) & 0x03);
stats->icv = (u16) GET_RX_DESC_ICV(pdesc);
stats->crc = (u16) GET_RX_DESC_CRC32(pdesc);
stats->hwerror = (stats->crc | stats->icv);
stats->decrypted = !GET_RX_DESC_SWDEC(pdesc);
stats->rate = (u8) GET_RX_DESC_RX_MCS(pdesc);
stats->shortpreamble = (u16) GET_RX_DESC_SPLCP(pdesc);
stats->isampdu = (bool) (GET_RX_DESC_PAGGR(pdesc) == 1);
stats->isampdu = (bool) ((GET_RX_DESC_PAGGR(pdesc) == 1)
&& (GET_RX_DESC_FAGGR(pdesc) == 1));
stats->timestamp_low = GET_RX_DESC_TSFL(pdesc);
stats->rx_is40Mhzpacket = (bool) GET_RX_DESC_BW(pdesc);
rx_status->freq = hw->conf.chandef.chan->center_freq;
rx_status->band = hw->conf.chandef.chan->band;
if (GET_RX_DESC_CRC32(pdesc))
rx_status->flag |= RX_FLAG_FAILED_FCS_CRC;
if (!GET_RX_DESC_SWDEC(pdesc))
rx_status->flag |= RX_FLAG_DECRYPTED;
if (GET_RX_DESC_BW(pdesc))
rx_status->flag |= RX_FLAG_40MHZ;
if (GET_RX_DESC_RX_HT(pdesc))
rx_status->flag |= RX_FLAG_HT;
rx_status->flag |= RX_FLAG_MACTIME_START;
if (stats->decrypted)
rx_status->flag |= RX_FLAG_DECRYPTED;
rx_status->rate_idx = rtlwifi_rate_mapping(hw,
(bool)GET_RX_DESC_RX_HT(pdesc),
(u8)GET_RX_DESC_RX_MCS(pdesc),
(bool)GET_RX_DESC_PAGGR(pdesc));
rx_status->mactime = GET_RX_DESC_TSFL(pdesc);
if (phystatus) {
p_drvinfo = (struct rx_fwinfo_92c *)(skb->data +
stats->rx_bufshift);
rtl92c_translate_rx_signal_stuff(hw, skb, stats, p_desc,
p_drvinfo);
}
/*rx_status->qual = stats->signal; */
rx_status->signal = stats->recvsignalpower + 10;
return true;
}
#define RTL_RX_DRV_INFO_UNIT 8
static void _rtl_rx_process(struct ieee80211_hw *hw, struct sk_buff *skb)
{
struct ieee80211_rx_status *rx_status =
(struct ieee80211_rx_status *)IEEE80211_SKB_RXCB(skb);
u32 skb_len, pkt_len, drvinfo_len;
struct rtl_priv *rtlpriv = rtl_priv(hw);
u8 *rxdesc;
struct rtl_stats stats = {
.signal = 0,
.rate = 0,
};
struct rx_fwinfo_92c *p_drvinfo;
bool bv;
__le16 fc;
struct ieee80211_hdr *hdr;
memset(rx_status, 0, sizeof(*rx_status));
rxdesc = skb->data;
skb_len = skb->len;
drvinfo_len = (GET_RX_DESC_DRVINFO_SIZE(rxdesc) * RTL_RX_DRV_INFO_UNIT);
pkt_len = GET_RX_DESC_PKT_LEN(rxdesc);
/* TODO: Error recovery. drop this skb or something. */
WARN_ON(skb_len < (pkt_len + RTL_RX_DESC_SIZE + drvinfo_len));
stats.length = (u16) GET_RX_DESC_PKT_LEN(rxdesc);
stats.rx_drvinfo_size = (u8)GET_RX_DESC_DRVINFO_SIZE(rxdesc) *
RX_DRV_INFO_SIZE_UNIT;
stats.rx_bufshift = (u8) (GET_RX_DESC_SHIFT(rxdesc) & 0x03);
stats.icv = (u16) GET_RX_DESC_ICV(rxdesc);
stats.crc = (u16) GET_RX_DESC_CRC32(rxdesc);
stats.hwerror = (stats.crc | stats.icv);
stats.decrypted = !GET_RX_DESC_SWDEC(rxdesc);
stats.rate = (u8) GET_RX_DESC_RX_MCS(rxdesc);
stats.shortpreamble = (u16) GET_RX_DESC_SPLCP(rxdesc);
stats.isampdu = (bool) ((GET_RX_DESC_PAGGR(rxdesc) == 1)
&& (GET_RX_DESC_FAGGR(rxdesc) == 1));
stats.timestamp_low = GET_RX_DESC_TSFL(rxdesc);
stats.rx_is40Mhzpacket = (bool) GET_RX_DESC_BW(rxdesc);
/* TODO: is center_freq changed when doing scan? */
/* TODO: Shall we add protection or just skip those two step? */
rx_status->freq = hw->conf.chandef.chan->center_freq;
rx_status->band = hw->conf.chandef.chan->band;
if (GET_RX_DESC_CRC32(rxdesc))
rx_status->flag |= RX_FLAG_FAILED_FCS_CRC;
if (!GET_RX_DESC_SWDEC(rxdesc))
rx_status->flag |= RX_FLAG_DECRYPTED;
if (GET_RX_DESC_BW(rxdesc))
rx_status->flag |= RX_FLAG_40MHZ;
if (GET_RX_DESC_RX_HT(rxdesc))
rx_status->flag |= RX_FLAG_HT;
/* Data rate */
rx_status->rate_idx = rtlwifi_rate_mapping(hw,
(bool)GET_RX_DESC_RX_HT(rxdesc),
(u8)GET_RX_DESC_RX_MCS(rxdesc),
(bool)GET_RX_DESC_PAGGR(rxdesc));
/* There is a phy status after this rx descriptor. */
if (GET_RX_DESC_PHY_STATUS(rxdesc)) {
p_drvinfo = (struct rx_fwinfo_92c *)(rxdesc + RTL_RX_DESC_SIZE);
rtl92c_translate_rx_signal_stuff(hw, skb, &stats,
(struct rx_desc_92c *)rxdesc, p_drvinfo);
}
skb_pull(skb, (drvinfo_len + RTL_RX_DESC_SIZE));
hdr = (struct ieee80211_hdr *)(skb->data);
fc = hdr->frame_control;
bv = ieee80211_is_probe_resp(fc);
if (bv)
RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG,
"Got probe response frame\n");
if (ieee80211_is_beacon(fc))
RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG, "Got beacon frame\n");
if (ieee80211_is_data(fc))
RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG, "Got data frame\n");
RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG,
"Fram: fc = 0x%X addr1 = 0x%02X:0x%02X:0x%02X:0x%02X:0x%02X:0x%02X\n",
fc,
(u32)hdr->addr1[0], (u32)hdr->addr1[1],
(u32)hdr->addr1[2], (u32)hdr->addr1[3],
(u32)hdr->addr1[4], (u32)hdr->addr1[5]);
memcpy(IEEE80211_SKB_RXCB(skb), rx_status, sizeof(*rx_status));
ieee80211_rx(hw, skb);
}
void rtl8192cu_rx_hdl(struct ieee80211_hw *hw, struct sk_buff * skb)
{
_rtl_rx_process(hw, skb);
}
void rtl8192c_rx_segregate_hdl(
struct ieee80211_hw *hw,
struct sk_buff *skb,
struct sk_buff_head *skb_list)
{
}
/*----------------------------------------------------------------------
*
* Tx handler
*
*---------------------------------------------------------------------- */
void rtl8192c_tx_cleanup(struct ieee80211_hw *hw, struct sk_buff *skb)
{
}
int rtl8192c_tx_post_hdl(struct ieee80211_hw *hw, struct urb *urb,
struct sk_buff *skb)
{
return 0;
}
struct sk_buff *rtl8192c_tx_aggregate_hdl(struct ieee80211_hw *hw,
struct sk_buff_head *list)
{
return skb_dequeue(list);
}
/*======================================== trx ===============================*/
static void _rtl_fill_usb_tx_desc(u8 *txdesc)
{
SET_TX_DESC_OWN(txdesc, 1);
SET_TX_DESC_LAST_SEG(txdesc, 1);
SET_TX_DESC_FIRST_SEG(txdesc, 1);
}
/**
* For HW recovery information
*/
static void _rtl_tx_desc_checksum(u8 *txdesc)
{
u16 *ptr = (u16 *)txdesc;
u16 checksum = 0;
u32 index;
/* Clear first */
SET_TX_DESC_TX_DESC_CHECKSUM(txdesc, 0);
for (index = 0; index < 16; index++)
checksum = checksum ^ (*(ptr + index));
SET_TX_DESC_TX_DESC_CHECKSUM(txdesc, checksum);
}
void rtl92cu_tx_fill_desc(struct ieee80211_hw *hw,
struct ieee80211_hdr *hdr, u8 *pdesc_tx,
struct ieee80211_tx_info *info,
struct ieee80211_sta *sta,
struct sk_buff *skb,
u8 queue_index,
struct rtl_tcb_desc *tcb_desc)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
bool defaultadapter = true;
u8 *qc = ieee80211_get_qos_ctl(hdr);
u8 tid = qc[0] & IEEE80211_QOS_CTL_TID_MASK;
u16 seq_number;
__le16 fc = hdr->frame_control;
u8 rate_flag = info->control.rates[0].flags;
u16 pktlen = skb->len;
enum rtl_desc_qsel fw_qsel = _rtl8192cu_mq_to_descq(hw, fc,
skb_get_queue_mapping(skb));
u8 *txdesc;
seq_number = (le16_to_cpu(hdr->seq_ctrl) & IEEE80211_SCTL_SEQ) >> 4;
rtl_get_tcb_desc(hw, info, sta, skb, tcb_desc);
txdesc = (u8 *)skb_push(skb, RTL_TX_HEADER_SIZE);
memset(txdesc, 0, RTL_TX_HEADER_SIZE);
SET_TX_DESC_PKT_SIZE(txdesc, pktlen);
SET_TX_DESC_LINIP(txdesc, 0);
SET_TX_DESC_PKT_OFFSET(txdesc, RTL_DUMMY_OFFSET);
SET_TX_DESC_OFFSET(txdesc, RTL_TX_HEADER_SIZE);
SET_TX_DESC_TX_RATE(txdesc, tcb_desc->hw_rate);
if (tcb_desc->use_shortgi || tcb_desc->use_shortpreamble)
SET_TX_DESC_DATA_SHORTGI(txdesc, 1);
if (mac->tids[tid].agg.agg_state == RTL_AGG_ON &&
info->flags & IEEE80211_TX_CTL_AMPDU) {
SET_TX_DESC_AGG_ENABLE(txdesc, 1);
SET_TX_DESC_MAX_AGG_NUM(txdesc, 0x14);
} else {
SET_TX_DESC_AGG_BREAK(txdesc, 1);
}
SET_TX_DESC_SEQ(txdesc, seq_number);
SET_TX_DESC_RTS_ENABLE(txdesc, ((tcb_desc->rts_enable &&
!tcb_desc->cts_enable) ? 1 : 0));
SET_TX_DESC_HW_RTS_ENABLE(txdesc, ((tcb_desc->rts_enable ||
tcb_desc->cts_enable) ? 1 : 0));
SET_TX_DESC_CTS2SELF(txdesc, ((tcb_desc->cts_enable) ? 1 : 0));
SET_TX_DESC_RTS_STBC(txdesc, ((tcb_desc->rts_stbc) ? 1 : 0));
SET_TX_DESC_RTS_RATE(txdesc, tcb_desc->rts_rate);
SET_TX_DESC_RTS_BW(txdesc, 0);
SET_TX_DESC_RTS_SC(txdesc, tcb_desc->rts_sc);
SET_TX_DESC_RTS_SHORT(txdesc,
((tcb_desc->rts_rate <= DESC92_RATE54M) ?
(tcb_desc->rts_use_shortpreamble ? 1 : 0)
: (tcb_desc->rts_use_shortgi ? 1 : 0)));
if (mac->bw_40) {
if (rate_flag & IEEE80211_TX_RC_DUP_DATA) {
SET_TX_DESC_DATA_BW(txdesc, 1);
SET_TX_DESC_DATA_SC(txdesc, 3);
} else if(rate_flag & IEEE80211_TX_RC_40_MHZ_WIDTH){
SET_TX_DESC_DATA_BW(txdesc, 1);
SET_TX_DESC_DATA_SC(txdesc, mac->cur_40_prime_sc);
} else {
SET_TX_DESC_DATA_BW(txdesc, 0);
SET_TX_DESC_DATA_SC(txdesc, 0);
}
} else {
SET_TX_DESC_DATA_BW(txdesc, 0);
SET_TX_DESC_DATA_SC(txdesc, 0);
}
rcu_read_lock();
sta = ieee80211_find_sta(mac->vif, mac->bssid);
if (sta) {
u8 ampdu_density = sta->ht_cap.ampdu_density;
SET_TX_DESC_AMPDU_DENSITY(txdesc, ampdu_density);
}
rcu_read_unlock();
if (info->control.hw_key) {
struct ieee80211_key_conf *keyconf = info->control.hw_key;
switch (keyconf->cipher) {
case WLAN_CIPHER_SUITE_WEP40:
case WLAN_CIPHER_SUITE_WEP104:
case WLAN_CIPHER_SUITE_TKIP:
SET_TX_DESC_SEC_TYPE(txdesc, 0x1);
break;
case WLAN_CIPHER_SUITE_CCMP:
SET_TX_DESC_SEC_TYPE(txdesc, 0x3);
break;
default:
SET_TX_DESC_SEC_TYPE(txdesc, 0x0);
break;
}
}
SET_TX_DESC_PKT_ID(txdesc, 0);
SET_TX_DESC_QUEUE_SEL(txdesc, fw_qsel);
SET_TX_DESC_DATA_RATE_FB_LIMIT(txdesc, 0x1F);
SET_TX_DESC_RTS_RATE_FB_LIMIT(txdesc, 0xF);
SET_TX_DESC_DISABLE_FB(txdesc, 0);
SET_TX_DESC_USE_RATE(txdesc, tcb_desc->use_driver_rate ? 1 : 0);
if (ieee80211_is_data_qos(fc)) {
if (mac->rdg_en) {
RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE,
"Enable RDG function\n");
SET_TX_DESC_RDG_ENABLE(txdesc, 1);
SET_TX_DESC_HTC(txdesc, 1);
}
}
if (rtlpriv->dm.useramask) {
SET_TX_DESC_RATE_ID(txdesc, tcb_desc->ratr_index);
SET_TX_DESC_MACID(txdesc, tcb_desc->mac_id);
} else {
SET_TX_DESC_RATE_ID(txdesc, 0xC + tcb_desc->ratr_index);
SET_TX_DESC_MACID(txdesc, tcb_desc->ratr_index);
}
if ((!ieee80211_is_data_qos(fc)) && ppsc->leisure_ps &&
ppsc->fwctrl_lps) {
SET_TX_DESC_HWSEQ_EN(txdesc, 1);
SET_TX_DESC_PKT_ID(txdesc, 8);
if (!defaultadapter)
SET_TX_DESC_QOS(txdesc, 1);
}
if (ieee80211_has_morefrags(fc))
SET_TX_DESC_MORE_FRAG(txdesc, 1);
if (is_multicast_ether_addr(ieee80211_get_DA(hdr)) ||
is_broadcast_ether_addr(ieee80211_get_DA(hdr)))
SET_TX_DESC_BMC(txdesc, 1);
_rtl_fill_usb_tx_desc(txdesc);
_rtl_tx_desc_checksum(txdesc);
RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE, "==>\n");
}
void rtl92cu_fill_fake_txdesc(struct ieee80211_hw *hw, u8 * pDesc,
u32 buffer_len, bool bIsPsPoll)
{
/* Clear all status */
memset(pDesc, 0, RTL_TX_HEADER_SIZE);
SET_TX_DESC_FIRST_SEG(pDesc, 1); /* bFirstSeg; */
SET_TX_DESC_LAST_SEG(pDesc, 1); /* bLastSeg; */
SET_TX_DESC_OFFSET(pDesc, RTL_TX_HEADER_SIZE); /* Offset = 32 */
SET_TX_DESC_PKT_SIZE(pDesc, buffer_len); /* Buffer size + command hdr */
SET_TX_DESC_QUEUE_SEL(pDesc, QSLT_MGNT); /* Fixed queue of Mgnt queue */
/* Set NAVUSEHDR to prevent Ps-poll AId filed to be changed to error
* vlaue by Hw. */
if (bIsPsPoll) {
SET_TX_DESC_NAV_USE_HDR(pDesc, 1);
} else {
SET_TX_DESC_HWSEQ_EN(pDesc, 1); /* Hw set sequence number */
SET_TX_DESC_PKT_ID(pDesc, 0x100); /* set bit3 to 1. */
}
SET_TX_DESC_USE_RATE(pDesc, 1); /* use data rate which is set by Sw */
SET_TX_DESC_OWN(pDesc, 1);
SET_TX_DESC_TX_RATE(pDesc, DESC92_RATE1M);
_rtl_tx_desc_checksum(pDesc);
}
void rtl92cu_tx_fill_cmddesc(struct ieee80211_hw *hw,
u8 *pdesc, bool firstseg,
bool lastseg, struct sk_buff *skb)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
u8 fw_queue = QSLT_BEACON;
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)(skb->data);
__le16 fc = hdr->frame_control;
memset((void *)pdesc, 0, RTL_TX_HEADER_SIZE);
if (firstseg)
SET_TX_DESC_OFFSET(pdesc, RTL_TX_HEADER_SIZE);
SET_TX_DESC_TX_RATE(pdesc, DESC92_RATE1M);
SET_TX_DESC_SEQ(pdesc, 0);
SET_TX_DESC_LINIP(pdesc, 0);
SET_TX_DESC_QUEUE_SEL(pdesc, fw_queue);
SET_TX_DESC_FIRST_SEG(pdesc, 1);
SET_TX_DESC_LAST_SEG(pdesc, 1);
SET_TX_DESC_RATE_ID(pdesc, 7);
SET_TX_DESC_MACID(pdesc, 0);
SET_TX_DESC_OWN(pdesc, 1);
SET_TX_DESC_PKT_SIZE(pdesc, (u16)skb->len);
SET_TX_DESC_FIRST_SEG(pdesc, 1);
SET_TX_DESC_LAST_SEG(pdesc, 1);
SET_TX_DESC_OFFSET(pdesc, 0x20);
SET_TX_DESC_USE_RATE(pdesc, 1);
if (!ieee80211_is_data_qos(fc)) {
SET_TX_DESC_HWSEQ_EN(pdesc, 1);
SET_TX_DESC_PKT_ID(pdesc, 8);
}
RT_PRINT_DATA(rtlpriv, COMP_CMD, DBG_LOUD, "H2C Tx Cmd Content",
pdesc, RTL_TX_DESC_SIZE);
}
bool rtl92cu_cmd_send_packet(struct ieee80211_hw *hw, struct sk_buff *skb)
{
return true;
}